package ch04;
public class IntegerDemo
{
	public static void main(String[] args)
	{
		int data1 = 10;
		int data2 = 20;
		Integer w1 = new Integer(data1);
		Integer w2 = new Integer(data2);
		System.out.println(data1/3);
		System.out.println(w1.doubleValue()/3);
		System.out.println(w1.compareTo(w2));
	
		
	}
} 